chore: bump libraries to fix vulnerabilities

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.16 as builder
+FROM golang:1.17 as builder
 WORKDIR /go/src/app
 COPY . .
 RUN make manager

go.mod

@@ -9,11 +9,11 @@ require (
 	github.com/onsi/ginkgo v1.16.4
 	github.com/onsi/gomega v1.10.2
 	github.com/pkg/errors v0.9.1
+	github.com/prometheus/client_golang v1.14.0 // indirect
 	github.com/stretchr/testify v1.6.1
-	golang.org/x/crypto v0.0.0-20201216223049-8b5274cf687f // indirect
-	golang.org/x/net v0.0.0-20201110031124-69a78807bb2b
-	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/net v0.8.0
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/api v0.20.2
 	k8s.io/apiextensions-apiserver v0.20.1
 	k8s.io/apimachinery v0.20.2